Pneumatic Shut-Off Butterfly Valve
Keywords: metering pump accessories
Classification:
Pneumatic butterfly valve
- DESCRIPTION
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Advantages of pneumatic switch butterfly valve:
1. The pneumatic cut-off butterfly valve has a simple structure, is easy to install and disassemble, is convenient for maintenance, and has a wide range of applications.
2. Bidirectional sealing function, can be installed in any direction, and is not affected by the flow direction of the medium and the spatial position during installation.
3. The pneumatic cut-off butterfly valve only needs to rotate the disc 90 degrees to complete the switching action. The operating torque is small, labor-saving, and the switching speed is fast.
4. The single-acting actuator can effectively prevent the automatic spring return from closing or opening the valve when the air source is cut off or the pipeline fails during operation.
5. The pneumatic cut-off butterfly valve receives the switching signal from the control system to accurately control the valve opening and closing, thereby achieving strict isolation of the medium in the pipeline.
Standard specifications for pneumatic switch butterfly valves:
Design standards: GB/T2238-1989
Flange connection dimensions: GB/T9113.1-2000; GB/T9115.1-2000
Structure length: GB/T12221-1989
Pressure test: GB/T13927-2000; JB/T9092-1999
Applicable media: air, water, sewage, steam, gas, oil, etc.
Strength test: 0.9 1.5 2.4 3.75
Sealing test: 0.66 1.1 1.76 2.75
Low pressure air tight test: 0.5～0.7Applicable temperature: Soft seal: -29℃～180℃ Hard seal: -40℃～600℃
Product parameters
Technical parameters of pneumatic switch butterfly valve:
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